During Chordate Evolution,what Is the Sequence (From Earliest to Most

question 45

Multiple Choice

During chordate evolution,what is the sequence (from earliest to most recent) in which the following structures arose?
1) amniotic egg
2) paired fins
3) jaws
4) four-chambered heart

• A)2,3,1,4
• B)3,2,1,4
• C)4,1,3,2
• D)2,1,3,4
• E)1,3,2,4

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Definitions:

Evolutionary Theory

A scientific theory that explains the diversity of life on Earth by means of natural selection, where organisms adapt to their environment over generations.

Modeling

A method of learning that involves observing and imitating others' behavior.

Cognitive Theories

Theories in psychology that explain human behavior and mental processes through the study of how people think, perceive, remember, and learn.

Behavioral Theorist

A scholar or researcher who studies and explains human behavior through various theories and models, focusing on observable behavior and its triggers.